US6851776B2 - Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members - Google Patents

Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members Download PDF

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Publication number
US6851776B2
US6851776B2 US09/892,503 US89250301A US6851776B2 US 6851776 B2 US6851776 B2 US 6851776B2 US 89250301 A US89250301 A US 89250301A US 6851776 B2 US6851776 B2 US 6851776B2
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United States
Prior art keywords
border
members
refrigerator compartment
edge
piece
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Expired - Lifetime, expires
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US09/892,503
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English (en)
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US20030006683A1 (en
Inventor
Craig Bienick
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Gemtron Corp
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Gemtron Corp
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Assigned to GEMTRON CORPORATION reassignment GEMTRON CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: BIENICK, CRAIG
Priority to US09/892,503 priority Critical patent/US6851776B2/en
Priority to EP02012680A priority patent/EP1271078A3/fr
Priority to CA002390269A priority patent/CA2390269C/fr
Priority to MXPA02006399A priority patent/MXPA02006399A/es
Publication of US20030006683A1 publication Critical patent/US20030006683A1/en
Priority to US11/048,819 priority patent/US7101002B2/en
Priority to US11/048,820 priority patent/US7188917B2/en
Publication of US6851776B2 publication Critical patent/US6851776B2/en
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Assigned to SCHOTT GEMTRON CORPORATION reassignment SCHOTT GEMTRON CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: GEMTRON CORPORATION
Adjusted expiration legal-status Critical
Assigned to SCHOTT GEMTRON CORPORATION reassignment SCHOTT GEMTRON CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: GEMTRON CORPORATION
Assigned to GEMTRON CORPORATION reassignment GEMTRON CORPORATION CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: SCHOTT GEMTRON CORPORATION
Assigned to GEMTRON CORPORATION reassignment GEMTRON CORPORATION ENTITY CONVERSION Assignors: SCHOTT GEMTRON CORPORATION
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D25/00—Charging, supporting, and discharging the articles to be cooled
    • F25D25/02—Charging, supporting, and discharging the articles to be cooled by shelves
    • F25D25/024—Slidable shelves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2325/00—Charging, supporting or discharging the articles to be cooled, not provided for in other groups of this subclass
    • F25D2325/022—Shelves made of glass or ceramic

Definitions

  • Adjustable shelves are commonly associated with both the freezer compartment and the fresh food compartment of conventional side-by-side refrigerators.
  • the shelves are constructed as sliding shelves, opposite generally parallel side edges of the shelves rest upon and slide relative to horizontally aligned ribs or grooves formed as opposing pairs in the side walls of the freezer compartment, the fresh food compartment or both, or inner liners thereof.
  • Typical of such shelves, which can be sliding, cantilevered and/or vertically step-adjusted are disclosed in the following patents:
  • the shelf slides relative to side brackets 140 , 142 and is thereby constructed only from a piece of tempered glass 112 and a peripheral injection molded encapsulation, border or frame 118 .
  • the shelf 110 can slide along the side brackets 114 , 116 .
  • a shelf similarly constructed from a single piece of tempered glass and having secured to a peripheral edge thereof a peripheral encapsulation, border or frame is disclosed in application Ser. No.09/834,896 entitled a “Refrigerator Compartment Housing Vertically Adjustable Shelves” filed on Apr. 16, 2001 in the name of Craig Bienick and now Pat. No. 6,422,673 B1.
  • the latter encapsulation is snap-secured to the glass panel, but the significance of this disclosure is that each shelf can be step-wise adjusted within an associated refrigerator compartment and is limited in its forward and rearward sliding movement by appropriate stops and abutments. Side border portions of the shelf are narrowed to accommodate stops or abutments carried by rails or guides of the refrigerator compartment.
  • a novel shelf is provided in accordance with this invention for utilization in a refrigerator compartment which includes side walls having a plurality of vertically spaced shelf-supporting ledges in the form of ribs or channels.
  • Each shelf can be stepped-adjusted vertically between pairs of ribs and each shelf can be slid along the ribs between innermost and outermost positions.
  • the shelf of the present invention is defined by a piece of glass and front and rear border members each made of polymeric/copolymeric synthetic plastic material.
  • the glass piece has opposite side edges and opposite front and rear edges and the front and rear border members are injection molded or adhesively bonded to the front and rear edges of the glass piece.
  • each glass piece side edge disposed between the front and rear border members is substantially completely exposed.
  • the conductivity of the shelf is proportionally increased by the area of the edge of the glass panel totally exposed to the interior of an associated refrigerator compartment.
  • the shelf seats upon, rests and/or slides upon relatively short side border edges of the front and rear border members which effectively raise the shelf and particularly the glass panel thereof above the ribs of the refrigerator compartment. This creates an air gap between the ribs and the exposed side edges of the glass panel which also increases air flow through the refrigerator compartment thereby increasing the efficiency thereof.
  • the shelf of the present invention is preferably constructed from a piece of tempered glass having injection molded at front and rear edges thereof respective front and rear border members each having side edge border portions, in further accordance with the present invention, the side edge border portions can be completely eliminated thereby exposing substantially the entire side edges of the tempered glass panel.
  • At least the rear border member can have its ends foreshortened to expose the rear corners of the glass panel. This construction would allow the shelf to slide entirely upon side edges of the glass panel and not upon side edge portions of the front and rear border members.
  • FIG. 1 is a fragmentary front perspective view of a refrigerator, and illustrates a fresh food compartment, a freezer compartment and two shelves in the freezer compartment in two different positions relative to underlying supporting ribs or ledges.
  • FIG. 2 is an enlarged fragmentary vertical cross-sectional view through the freezer compartment of FIG. 1 , and more clearly illustrates the two shelves in their two positions and the manner in which a single abutment associated with each rib or ledge limits the rearward and forward movement of the shelf.
  • FIG. 3 is a top plan view of the shelf of the present invention, and illustrates a single piece of tempered glass having injection molded to front and rear edges of the glass respective front and rear border members, each having relatively short side edge portions which expose major side edges of the piece of glass or glass panel.
  • FIG. 4 is a front elevational view of the shelf of FIG. 3 , and illustrates the manner in which the front edge of the glass panel is completely encapsulated by the front border member.
  • FIG. 5 is the side elevational view of the shelf looking from right-to-left in FIG. 3 , and illustrates a side edge portion of the glass panel exposed between side border portions of the front and rear border members.
  • FIG. 6 is a top perspective view of another shelf constructed in accordance with this invention, and illustrates a piece of tempered glass or a tempered glass panel having bonded to front and rear edges thereof respective front and rear border members with side edges of the glass panel being substantially entirely exposed.
  • FIG. 7 is a vertical cross-sectional view through a refrigerator compartment similar to FIG. 2 , and illustrates two ribs on one side wall thereof with the shelf immovably nonslidably supported upon the upper rib.
  • FIG. 8 is a vertical cross-sectional view through a refrigerator compart similar to FIG. 7 , and illustrates the side wall having two outwardly projecting bosses supporting the shelf of FIG. 6 in nonsliding relationship thereupon.
  • FIG. 9 is a top perspective view of another shelf constructed in accordance with this invention, and illustrates a tempered glass panel having front and rear border members injection molded to respective front and rear edges of the glass panel with rear corners of the glass panel being exposed to effect slidable movement of the shelf in association with ribs or ledges of an associated refrigerator compartment.
  • FIG. 10 is a vertical cross-sectional view through a refrigerator compartment, and illustrates the shelf of FIG. 9 supported by underlying ledges or ribs contacting only side edges of the glass panel.
  • a refrigerator R ( FIGS. 1 and 2 ) includes a fresh food compartment FFC and a freezer compartment FC.
  • the freezer compartment FC includes a back or rear wall RW and opposite generally parallel side walls SW 1 and SW 2 , each of which includes a plurality of vertically spaced ledges or ribs 10 .
  • Opposite ribs 10 project toward each other in associated pairs in a common horizontal plane, and each rib 10 includes an upper wall 11 , an entrance end 12 and a rear end 13 which is spaced from the rear wall RW.
  • Abutment means or stop means 14 in the form of an upwardly projecting stop or abutment is located between the entrance end 12 and the rear end 13 of each of the ledges or ribs 10 ( FIG. 2 ) and cooperates with each of a plurality of identical shelves 20 , in a manner to be described more fully hereinafter, to limit the sliding movement of the shelves 20 between the two positions illustrated in FIGS. 1 and 2 of the drawings.
  • Each shelf 20 includes a polygonal, rectangular or square piece of tempered glass 21 having an upper surface 22 and a lower surface 23 (FIG. 5 ).
  • the glass panel 21 includes a peripheral edge defined by a front edge 24 ( FIG. 3 ) which is substantially parallel to a rear edge 25 and side edges 26 , 27 which are substantially parallel to each other.
  • Each shelf 20 further includes a front border member 34 and a rear border member 45 which, as viewed in top or bottom plan (FIG. 3 ), is of a generally U-shaped configuration.
  • the front and rear border members 34 , 45 are bonded to the respective front and rear edges 24 , 25 and to portions of the side edges 26 , 27 of the glass panel 21 by being injection molded thereto in a manner apparent from, for example, U.S. Pat. No. 5,540,493.
  • the front and rear edges 24 , 25 of the glass panel 21 and portions of the side edges 26 , 27 can be primed before the injection molding process to additionally assure a tight adhesive bond between the border members 34 , 45 and the respective edges 24 , 25 , though in practice, such priming has been found unnecessary.
  • the border members 34 , 45 can also be separately injection molded with a channel or slot to accommodate the post molded adhesive bonding of the glass edges 24 , 25 to the border members 34 , 45 .
  • the front border member 34 includes a bight border portion 35 and opposite substantially parallel side border portions 36 , 37 each terminating at respective ends or noses 38 , 39 .
  • the front border 34 also includes an upper inwardly directed flange 40 , a corresponding lower flange 42 and a bight wall portion 43 therebetween collectively defining a generally inwardly opening U-shaped channel 44 within which is received and to which is bonded the rear edge 24 and portions of the side edges 26 , 27 of the glass panel 21 during the injection molding operation or post molded adhesive bonding as heretofore described.
  • the bight wall portion 43 at a forwardmost edge 49 may be curved in a downward direction ( FIG. 5 ) to define a handgrip portion or handle to facilitate a user grasping the front border 43 to manipulate the shelf 20 as might be required during installation, use and/or removal from an associated refrigerator compartment.
  • the rear border 45 is injection molded or post bonded to the rear edge 25 and to portions of the side edges 26 , 27 of the glass panel 21 and is of a configuration corresponding substantially identically to that of the front border member 34 including the generally U-shaped configuration thereof.
  • the rear border member 45 includes a bight border portion 46 and opposite substantially parallel side border portions 47 , 48 , each terminating in respective ends or noses 50 , 51 .
  • the rear border member 45 further includes an upper inwardly directed flange 52 , a similar lower flange 53 and a bight wall portion 54 therebetween ( FIG. 5 ) collectively defining a generally U-shaped channel 55 within which is housed the rear edge 25 and portions of the side edges 26 , 27 of the glass panel 21 .
  • the shelf 20 is inserted within the fresh food compartment FFC or the frozen food FF compartment of the refrigerator R in the manner illustrated in FIGS. 1 and 2 of the drawings.
  • the upper shelf 20 is illustrated in its innermost “home” position at which point the abutment means 14 of the ribs along the side walls SW 1 and SW 2 contact the respective noses 39 , 38 of the front border member 34 .
  • the upper shelf 20 is supported by the side border portions 36 , 37 and 47 , 48 of the respective front and rear border members 34 , 45 upon the upper surface 11 of the ribs 10 .
  • the latter support places the lower surface 23 ( FIG.
  • the latter construction provides excellent air flow through the spaces (unnumbered) provided between the side walls SW 1 , SW 2 , the ribs 10 and the edges 26 , 27 of the shelves 20 and further exposes more of the glass of the glass panel 21 which collectively enhances the conductivity and thus the efficiency of the freezer compartment FC.
  • the respective noses 38 , 39 of the upper shelf 20 also contact the abutments 14 and preclude the upper shelf 20 from being slid further rearward than that illustrated in FIGS. 1 and 2 of the drawings thereby assuring a relatively large space (unnumbered) between the shelves, the products supported thereupon, and the rear wall RW of the freezer compartment FC which also enhances air flow and efficiency.
  • the front border wall portion 43 of the upper shelf 20 can, of course, be grasped and pulled forward which will allow this shelf to slide along the ribs 10 eventually reaching the position shown by the lowermost shelf 20 in FIGS. 1 and 2 at which point the respective noses 47 , 48 of the rear border member 45 contact the abutments 14 of the ribs 10 .
  • the latter relationship prevents further outward movement of the lowermost shelf 20 of FIG. 1 than beyond the illustrated position thereof.
  • FIGS. 6 and 7 of the drawings in which another shelf constructed in accordance with this invention is illustrated and bears the reference character 20 ′ with other primed reference numbers corresponding to identical structure as that heretofore described relative to the shelf 20 .
  • the shelf 20 ′ includes a tempered glass panel 21 ′ and injection molded or post adhesively bonded to a front edge 24 ′ and a rear edge 25 ′ are respective front and rear border members 34 ′ and 45 ′.
  • the border members 34 ′, 45 ′ of the shelf 20 ′ lack the side border portions 47 , 48 and 36 , 37 of the respective border members 45 , 34 of the shelf 20 .
  • the structure of the shelf 20 ′ absent the side border portions 36 , 37 and 47 , 48 of the border members 34 , 35 , respectively, of the shelf 20 expose the substantially entire side edges 26 ′, 27 ′ of the shelf 20 ′ to the interior of a freezer compartment FC′ ( FIG. 7 ) of a refrigerator R′ to thereby increase the conductivity, air flow and the efficiency of the latter.
  • the shelf 20 ′ is thereby adapted to be essentially nonslidably fixed in any selected position of vertical adjustment because the distance between the front border member 34 ′ and the rear border member 45 ′ corresponds to the distance between the entrance ends 12 ′ and the rear ends 13 ′ of the ribs 10 ′ in the manner illustrated in FIG. 7 .
  • the ends 12 ′, 13 ′ of the ribs 10 ′ essentially abut the respective front border member 34 ′ and the rear border member 45 ′ to prevent the shelf 20 ′ from moving relative to the rails 10 ′, as is readily apparent from FIG. 7 of the drawings.
  • FIG. 8 of the drawings illustrates an identical shelf 20 ′′ as that heretofore described relative to FIGS. 6 and 7 , but in this case the shelf 20 ′′ is supported by seating upon projections 12 ′′, 13 ′′ projecting outwardly from a side wall (unnumbered) of an associated refrigerator R′′.
  • the opposite unillustrated side wall has projections aligned with the projections 12 ′′, 13 ′′ in a conventional manner.
  • the projections 12 ′′ and 13 ′′ contact respective front and rear border members 34 ′′, 45 ′′ of the shelf 20 ′′ to prevent movement of the latter.
  • FIGS. 9 and 10 of the drawings A final shelf constructed in accordance with this invention is illustrated in FIGS. 9 and 10 of the drawings and is identified by the reference numeral 20 ′′′.
  • the triple primed reference characters identify structure identical to the structure of the shelf 20 ′′.
  • the shelves 20 ′′, 20 ′′′ are identical except a rear border member 45 ′′′ of the shelf 20 ′′′ is shorter than the distance between edges 26 ′′′, 27 ′′′ of a tempered glass panel 21 ′′′ thereby exposing rear corners C 1 , C 2 of the respective side edges 26 ′′, 27 ′′′.
  • the side edges 26 ′′′, 27 ′′′ are entirely exposed along the length thereof except for the minor portions thereof covered at the front corners (unnumbered) of the tempered glass panel 21 ′′′.
  • the edges 26 ′′′, 27 ′′′ can slide along opposing aligned ledges or ribs 10 ′′′ in the manner readily apparent therefrom.
  • the ribs 10 ′′′ are not provided with abutments or stops, and thus care must be exercised when the shelf 21 ′′′, including contents thereupon (not shown), is slid to the left, as viewed in FIG. 10 , to preclude accidental or inadvertent tilting or tipping.
  • front and rear border members 34 , 45 are either injection molded to the respective front and rear edges of the glass panel 21
  • the front and rear border members 34 , 45 can be individually injection molded, as described earlier herein with each including a respective channel 35 , 52 .
  • the respective edges 24 , 25 of the glass panel 21 can then be bonded in the channels 44 , 52 of the respective border members 34 , 45 .
  • the advantage of adhesively bonding the border members 34 , 45 is that they can be injection molded at one location, shipped to another location, and post attached at the latter location.
  • the shipping of the lighter less fragile border members to the location of the glass panels 21 reduces transportation costs and, obviously, eliminates any issue concerning glass breakage (until after final assembly and shipment of the shelves 20 ).

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Refrigerator Housings (AREA)
US09/892,503 2001-06-28 2001-06-28 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members Expired - Lifetime US6851776B2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US09/892,503 US6851776B2 (en) 2001-06-28 2001-06-28 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
EP02012680A EP1271078A3 (fr) 2001-06-28 2002-06-07 Rayon réglable en hauteur constitué d'une vitre trempée avec un cadre moulé par injection pour un compartiment de réfrigérateur
CA002390269A CA2390269C (fr) 2001-06-28 2002-06-11 Compartiment vertical de refrigerateur avec tablettes ajustables en verre trempe munies d'un cadre moule par injection a l'avant et a l'arriere
MXPA02006399A MXPA02006399A (es) 2001-06-28 2002-06-26 Compartimiento de refrigerador que aloja anaqueles que se ajustan en forma vertical, formados cada uno de una pieza de viderio templado a la cual se moldea por inyeccion una estructrua en la forma de miembros de bordes frontales y traseros.
US11/048,820 US7188917B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
US11/048,819 US7101002B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/892,503 US6851776B2 (en) 2001-06-28 2001-06-28 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US11/048,820 Division US7188917B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
US11/048,819 Division US7101002B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members

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US20030006683A1 US20030006683A1 (en) 2003-01-09
US6851776B2 true US6851776B2 (en) 2005-02-08

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US09/892,503 Expired - Lifetime US6851776B2 (en) 2001-06-28 2001-06-28 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
US11/048,820 Expired - Lifetime US7188917B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
US11/048,819 Expired - Lifetime US7101002B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members

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US11/048,820 Expired - Lifetime US7188917B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members
US11/048,819 Expired - Lifetime US7101002B2 (en) 2001-06-28 2005-02-03 Refrigerator compartment housing vertically adjustable shelves, each formed from a piece of tempered glass to which is injection molded a frame in the form of front and rear border members

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US (3) US6851776B2 (fr)
EP (1) EP1271078A3 (fr)
CA (1) CA2390269C (fr)
MX (1) MXPA02006399A (fr)

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US20090115302A1 (en) * 2005-05-10 2009-05-07 Bsh Bosch Und Siemens Hausgerate Gmbh Support arrangement and refrigerator provided therewith
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US20100181884A1 (en) * 2009-01-16 2010-07-22 Whirlpool Corporation Refrigerator shelf with glass receiving slot
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US20110089800A1 (en) * 2009-10-21 2011-04-21 Jonathan Nash Shelf for an appliance
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ES2613885T3 (es) 2009-11-04 2017-05-26 Ssw Holding Company, Inc. Superficies de aparatos de cocción que tienen un patrón de confinamiento de salpicaduras y procedimientos de fabricación de las mismas
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KR20120017482A (ko) * 2010-08-19 2012-02-29 삼성전자주식회사 냉장고
CN201844652U (zh) * 2010-10-21 2011-05-25 博西华家用电器有限公司 冰箱及其搁板
JP2014512417A (ja) 2011-02-21 2014-05-22 ロス テクノロジー コーポレーション． 低ｖｏｃ結合剤系を含む超疎水性および疎油性被覆物
DE102011006806A1 (de) * 2011-04-05 2012-10-11 BSH Bosch und Siemens Hausgeräte GmbH Kältegerät, insbesondere Haushaltskältegerät
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EP2864430A4 (fr) 2012-06-25 2016-04-13 Ross Technology Corp Revêtements élastomères ayant des propriétés hydrophobes et/ou oléophobes
CN104596191B (zh) * 2013-10-31 2016-10-05 海尔集团技术研发中心 搁架及具有该搁架的冰箱
US9593879B2 (en) * 2015-03-17 2017-03-14 Whirlpool Corporation U-shaped tuck shelf
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US7188917B2 (en) 2007-03-13
EP1271078A3 (fr) 2003-03-05
US20050127806A1 (en) 2005-06-16
CA2390269A1 (fr) 2002-12-28
MXPA02006399A (es) 2003-09-22
US7101002B2 (en) 2006-09-05
US20050127805A1 (en) 2005-06-16
US20030006683A1 (en) 2003-01-09
CA2390269C (fr) 2008-02-12
EP1271078A2 (fr) 2003-01-02

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